Listo 1620 Marking Pencil, Box of 12, WhiteListo 1620 Marking Pencil, Box of 12, White Mechanical, refillable marker. Will mark on any surface. Great for marking metal, wood, glass, cellophane, ceramics, stone, tile, freezer bags, plastic lids, etc. Writes upside down and under water. Non toxic, waxed based writing material. Wipes off non porous surfaces with dry cloth. Restaurant safe with no pocket clip Unscrew Tip to Refill Use Refill #162